“it was almost certainly created with US biotechnology and know-how that had been made available to researchers in China”
似乎應該翻譯為:如果病毒的確產生於實驗室,那麽幾乎可以肯定,病毒是采用美國生物技術製造的。而此技術,曾被開放給中國的研究人員。